EFFECT OF MELT HISTORY ON THE CRYSTALLIZATION KINETICS OF POLY(PHENYLENE SULFIDE)

被引：31
|
作者：
MEHL, NA [1 ]
REBENFELD, L [1 ]
机构：
[1] PRINCETON UNIV,DEPT CHEM ENGN,PRINCETON,NJ 08544
来源：
POLYMER ENGINEERING AND SCIENCE | 1992年 / 32卷 / 19期
关键词：
D O I：
10.1002/pen.760321908
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Differential scanning calorimetry (DSC) was used to study the effects of melt history on the isothermal crystallization kinetics of poly(phenylene sulfide) (PPS). Crystallization of the polymer was shown to be permanently altered by both the time and the temperature spent in the melt. Suggested explanations are nonequilibrium melting, chain scission, chain extension, and crosslinking. Molecular weight was also shown to affect the rates of these processes, PPS of lower molecular weight being more susceptible to the observed changes.
引用
收藏
页码：1451 / 1457
页数：7
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